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laevigata etc

Dear Cornelia 
H laevigata has very few hybrids The reason is that it is nearly 
sterile being not a proper species but a yingeri hybrid ( G Schmid 
names it a ''specioid"). Further you mention the white spidery 
flowers of H yingeri . That must be the white mutant of it H yingeri 
'Chrystal Tim/des' Usually early flwowering seems dominant like 
those from H venusta. As G Schmid mentioned already. A possible 
explanation is that this is due to hybrid vigour . I suppose too that 
Mikawa-no-Yuki got its name from the fact that the leaves have a 
white back, it does not have white flowers.
Ben J.M.Zonneveld
Clusius lab pobox 9505
2300 RA Leiden
The Netherlands
Fax: 31-71-5274999

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